* {
  margin: 0;
  padding: 0;
}
.map-box {
  height: 1300px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
#four {
  width: 800px;
  height: 600px;
  float: left;
}
#two {
  width: 800px;
  height: 600px;
  float: left;
}
#three {
  width: 800px;
  height: 600px;
  float: left;
  margin-left: 50px;
}
#one {
  width: 800px;
  height: 600px;
  float: left;
  margin-right: 50px;
  margin-bottom: 50px;
}
@media screen and (max-width: 800px) {
  #four {
    width: 100%;
    float: none;
  }
  #two {
    width: 100%;
    float: none;
  }
  #one {
    width: 100%;
    float: none;
  }
  #three {
    width: 100%;
    float: none;
  }
}
